Deadpool Annual #1 (2013) delves into the mystery of Deadpool's signature white caption boxes, explaining their origin and eventual disappearance. This comedic adventure features Deadpool interacting with Thor, Daredevil, Luke Cage, and Madcap. It offers a lighthearted interlude and provides a significant retcon concerning the Merc with a Mouth's internal monologues, making it a key issue for collectors interested in the character's unique narrative devices and continuity.